The men behind "The Croods"

Raul Roa / Staff Photographer

Kirk De Micco, sitting left, and Chris Sanders, behind De Micco, sign "The Croods" animated book for fellow employees at the DreamWorks SKG campus in Glendale on Thursday, March 21, 2013. De Micco and Sanders directed the animated film "The Croods."

Kirk De Micco, sitting left, and Chris Sanders, behind De Micco, sign "The Croods" animated book for fellow employees at the DreamWorks SKG campus in Glendale on Thursday, March 21, 2013. De Micco and Sanders directed the animated film "The Croods." (Raul Roa / Staff Photographer)

Kirk De Micco, sitting left, and Chris Sanders, behind De Micco, sign "The Croods" animated book for fellow employees at the DreamWorks SKG campus in Glendale on Thursday, March 21, 2013. De Micco and Sanders directed the animated film "The Croods."